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CONSOLIDATION OF VARIABLE INTEREST ENTITIES (Details) | Oct. 03, 2015
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Variable Interest Entities [Abstract] |
Number of VIEs with Primary Benefits | 3

X
- Definition Number of VIEs with primary benefits. + References No definition available. + Details
Name: | arkr_NumberOfVIEsWithPrimaryBenefits
Namespace Prefix: | arkr_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- References No definition available. + Details
Name: | arkr_VariableInterestEntitiesAbstract
Namespace Prefix: | arkr_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration